The URL : http://acm.tju.edu.cn/toj/ (Click to bookmark)
2008-08-24 Update Problems: Pacific Northwest Regionals 2007
2008-08-21 Update Problems: Tehran 2007
2008-08-19 Update Problems: Arab and North Africa 2007
2008-08-14 Update Problems: Northwestern European 2007
2008-08-12 Update Problems: East Central North America 2007
2008-08-10 Update Problems: University of Ulm Local Contest 2008
2008-08-07 Update Problems: Greater New York 2007
2008-06-01 Update Problems: CUET Easy Contest
2008-05-10 Update Problems: UESTC Programming Contests
2008-03-09 Update Problems: CUET individual contest
2008-02-01 Update Problems: New Year Challenge Contest
2008-01-29 Update Problems: University of Ulm Local Contest 2007
2007-11-15 Update Problems: Waterloo Local Contest Jul. 14, 2007
2007-08-23 Ranklist enhanced, read FAQ for details.
2007-08-13 Update Problems: Asia - Tehran 2006
2007-08-03 Update Problems: TJU Team Selection Contests
2007-07-17 Update Problems: USACO November 2006
2007-06-10 Update Problems: Tianjin Metropolitan Collegiate Programming Contest 2007
2007-06-06 Update Problems: USACO December 2006
2007-05-25 Update Problems: USACO Open 2007
2007-05-20 Update Problems: TJU Programming Contest 2007
2007-05-15 Update Problems: South Central China 2007 hosted by NUDT
2007-05-12 Update Problems: TJU Programming Contest 2007 Preliminary
2007-04-16 The registration of TJUPC 2007 and TJMCPC 2007 is open now
2007-04-14 Update Problems: The 5th UESTC Programming Contest
2007-04-11 Update Problems: USACO March 2007
2007-04-08 Update Problems: The 5th UESTC Programming Contest Preliminary
2007-03-30 Version 1.2.3 - Problem statistics enhanced.
2007-03-12 Update Problems: USACO January 2007
2007-03-05 Update Problems: USACO February 2007
2006-12-20 Update Problems: Mid Atlantic North America 2006
2006-12-19 Update Problems: Northeastern Europe 2006 Northern Subregion
2006-12-14 Update Problems: Northeastern Europe 2005 Northern Subregion
2006-12-12 Update Problems: Northeastern Europe 2004 Northern Subregion
2006-12-10 Update Problems: Northeastern Europe 2003 Northern Subregion
2006-12-09 Update Problems: Nordic Collegiate Contest 2002
2006-12-09 Update Problems: Baidu A-Star Programming Contest 2006 Semi-Final
2006-12-08 Update Problems: Northeastern Europe 2005 Far-Eastern Subregion
2006-12-05 Update Problems: Asia - Aizu (Japan) 2003 Preliminary
2006-12-03 Update Problems: Northeastern European 2006
2006-12-01 Update Problems: Asia - Aizu (Japan) 2003
2006-11-29 Update Problems: Nordic Collegiate Contest 2003
2006-11-28 Update Problems: Northwestern European 2006
2006-11-27 Update Problems: Asia - Ehime (Japan) 2004 Preliminary
2006-11-26 Update Problems: Local Contest of Amirkabir UT 2006
2006-11-25 Update Problems: Asia - Tokyo (Japan) 2005 Preliminary
2006-11-24 Version 1.2.2 - Download problems available.
2006-11-23 Update Problems: Asia - Tehran 2003 Preliminary
2006-11-22 Update Problems: Asia - Yokohama (Japan) 2006
2006-11-21 Version 1.2.1 - Upgrade to GCC 4.1.1, a few changes.
2006-11-21 Update Problems: Asia - Yokohama (Japan) 2006 Preliminary
2006-11-20 Update Problems: Northeastern Europe 2004 Western Subregion
2006-11-19 Update Problems: University of Ulm Local Contest 2006
2006-11-19 Update Problems: South Central USA 2006
2006-11-18 Update Problems: Iran Internet Programming Contest 2006
2006-11-17 Update Problems: East Central North America 2006
2006-11-16 Update Problems: Mexico and Central America 2006
2006-11-15 Update Problems: Asia - Manila 2006
2006-11-13 Update Problems: Southeastern European 2006
2006-11-12 Update Problems: Greater New York 2006
2006-11-07 Update Problems: Northeastern Europe 2003 Western Subregion
2006-11-06 Update Problems: Mid-Central USA 2006
2006-11-05 Version 1.2.0 - new feature: Virtual Contests.
2006-11-05 Update Problems: Benelux Algorithm Programming Contest 2006
2006-11-05 Update Problems: Asia - Seoul 2005
2006-11-04 Update Problems: Northeastern Europe 2002 Western Subregion
2006-11-01 Update Problems: Northeastern Europe 2001 Western Subregion
2006-10-28 Update Problems: Nordic Collegiate Contest 2004
2006-10-28 Update Problems: Central European 2005
2006-10-25 Update Problems: Southwestern European 2005
2006-10-20 Update Problems: Pacific Northwest Regionals 2005
2006-10-18 Update Problems: Colombian National Programming Contest 2006
2006-10-15 Update Problems: Asia - Beijing 2003
2006-10-12 Version 1.1.8 - user search, problem index, other tiny changes.
2006-10-11 Update Problems: Northeastern European 2004
2006-10-06 Update Problems: Northeastern Europe 2004 Far-Eastern Subregion
2006-10-05 Update Problems: Northeastern European 2003
2006-10-04 Update Problems: Northeastern European 2002
2006-10-03 Update Problems: Nordic Collegiate Contest 2006
2006-10-02 Update Problems: Waterloo Local Contest Sep. 30, 2006
2006-10-02 Update Problems: Waterloo Local Contest Sep. 24, 2006
2006-10-02 Update Problems: Northeastern European 2000
2006-09-30 Update Problems: Northwestern European 2005
2006-09-27 Update Problems: TUD Programming Contest 2006
2006-09-22 Update Problems: Northeastern European 2005
2006-09-21 Version 1.1.7 - System Optimization
2006-09-20 Update Problems: Northeastern Europe 2003, Far-Eastern Subregion
2006-09-13 Update Problems: Northeastern European 2001
2006-09-10 Update Problems: CTU Open 2005
2006-09-08 Update Problems: CTU Open 2004
2006-09-05 Update Problems: Waterloo Local Contest May. 27, 2006
2006-09-03 Update Problems: Northeastern European 1999
2006-08-26 Update Problems: Mid Atlantic North America 2005
2006-08-24 Update Problems: CTU Open 2003
2006-08-22 Update Problems: Asia - Tehran 2005
2006-08-20 Update Problems: TJU Contest August 2006
2006-08-06 Update Problems: TOJ 2006 Weekly Contest 7
2006-08-03 Update Problems: CTU Open 2002
2006-07-30 Update Problems: TOJ 2006 Weekly Contest 6
2006-07-28 Update Problems: Northeastern European 1998
2006-07-23 Update Problems: TOJ 2006 Weekly Contest 5
2006-07-20 Update Problems: Central European 1998
2006-07-18 Update Problems: Asia - Tehran 2004
2006-07-13 Update Problems: TOJ 2006 Weekly Contest 4
2006-07-13 Version 1.1.6 - Some minor bugs fixed, upgraded to GCC 3.4.6
2006-06-05 New URL: http://acm.tju.edu.cn/toj/
2006-06-03 Update Problems: TOJ 2006 Weekly Contest 3
2006-05-27 Update Problems: TOJ 2006 Weekly Contest 2
2006-05-20 Update Problems: TOJ 2006 Weekly Contest 1
2006-05-04 Version 1.1.5 - System backup process upgraded.
2006-04-29 Update Problems: TOJ 1st Anniversary Contest
2006-04-01 Update Problems: Waterloo Local Contest Feb. 25, 2006
2006-03-24 Schedule Contest: TOJ 1st Anniversary Contest
2006-03-05 Update Problems: Northeastern European 1996
2006-02-26 Update Problems: Greater New York 2005
2006-02-18 Update Problems: South America 2005
2006-02-18 Schedule Contest: TJU 2006 Exercise Contest 2
2006-02-11 Schedule Contest: TJU 2006 Exercise Contest 1
2006-01-17 Update Problems: University of Ulm Local Contest 2005
2006-01-06 Update Problems: South America 2004
2006-01-04 Version 1.1.4 - ranklist and problemlist enhanced.
2005-12-24 Update Problems: North Central North America 1996
2005-12-23 Update Problems: North Central North America 1993
2005-12-21 Update Problems: Greater New York 2004
2005-12-20 Update Problems: Rocky Mountain 2000
2005-12-19 Update Problems: Greater New York 2003
2005-12-15 Update Problems: Greater New York 2002
2005-12-14 Version 1.1.3 - more compatible with Firefox; forum enhanced; tiny bugs fixed.
2005-12-14 System upgraded (including GCC 3.4.5); default memory limit sets to 65536K.
2005-12-12 Update Problems: South Central USA 2005
2005-12-11 Update Problems: South Central USA 2004
2005-12-11 Update Problems: South Central USA 2003
2005-12-11 Update Problems: South Central USA 2001
2005-12-10 Update Problems: South Central USA 1998
2005-12-09 Update Problems: South Central USA 1997
2005-12-06 Update Problems: South Central USA 1996
2005-12-05 Update Problems: South Central USA 1995
2005-12-04 Update Problems: Asia - Tokyo (Japan) 2005
2005-12-03 Update Problems: East Central North America 2005
2005-12-02 Update Problems: East Central North America 2000
2005-11-30 Update Problems: Rocky Mountain 2005
2005-11-28 Update Problems: Rocky Mountain 2003
2005-11-27 Version 1.1.2 - New compiler: Java 1.5.0, more information in FAQ.
2005-11-26 Update Problems: Asia - Shanghai 2001
2005-11-24 Update Problems: Mid-Central USA 1997
2005-11-24 Update Problems: Mid-Central USA 1996
2005-11-23 Update Problems: Mid-Central USA 1995
2005-11-23 Update Problems: Mid-Central USA 1993
2005-11-16 Update Problems: Mid-Central USA 2004
2005-11-16 Update Problems: Mid-Central USA 2003
2005-11-16 Update Problems: Mid-Central USA 2002
2005-11-15 Update Problems: ACM-ICPC World Finals 1999
2005-11-11 Update Problems: Mid-Central USA 2001
2005-11-11 Update Problems: Mid-Central USA 2000
2005-11-10 Update Problems: Mid-Central USA 1999
2005-11-10 Update Problems: Mid-Central USA 1998
2005-11-10 Update Problems: Mid-Central USA 2005
2005-11-10 Schedule Contest: TJU 2005 Exercise Contest 15
2005-11-05 Update Problems: Central European 2003
2005-11-03 Schedule Contest: TJU 2005 Exercise Contest 14
2005-11-01 Update Problems: Central European 2002
2005-11-01 Version 1.1.0 finished: Free Pascal and User's location available.
2005-10-28 Schedule Contest: TJU 2005 Exercise Contest 13
2005-10-27 Update Problems: South Central USA 2002
2005-10-24 Update Problems: ACM-ICPC World Finals 1995
2005-10-23 Update Problems: Mid Atlantic North America 2004
2005-10-21 Update Problems: Asia - Tokyo (Japan) 1998
2005-10-21 Schedule Contest: TJU 2005 Exercise Contest 12
2005-10-20 Update Problems: Southeastern European 2005
2005-10-19 Schedule Contest: TJU 2005 Exercise Contest 11
2005-10-19 Schedule Contest: TJU 2005 Exercise Contest 10
2005-10-17 Update Problems: Mid Atlantic North America 2002
2005-10-13 Schedule Contest: TJU 2005 Exercise Contest 9
2005-10-12 Schedule Contest: TJU 2005 Exercise Contest 8
2005-10-12 Update Problems: Mid Atlantic North America 2003
2005-10-10 Version 1.0.10 finished: System Optimized, Contest Countdown available.
2005-10-10 Update Problems: Nordic Collegiate Contest 2005
2005-10-09 Update Problems: University of Ulm Local Contest 2003
2005-10-05 Update Problems: CTU Open 1999
2005-10-05 Schedule Contest: TJU 2005 Exercise Contest 7
2005-10-01 Schedule Contest: TJU 2005 Exercise Contest 6
2005-09-28 Update Problems: Waterloo Local Contest Sep. 24, 2005
2005-09-22 Schedule Contest: TJU 2005 Exercise Contest 5
2005-09-21 Update Problems: Waterloo Local Contest Sep. 17, 2005
2005-09-19 Update Problems: Northeastern Europe 2002 Far-Eastern Subregion
2005-09-18 Schedule Contest: TJU 2005 Exercise Contest 4
2005-09-18 Update Problems: Northeastern Europe 2001 Far-Eastern Subregion
2005-09-18 Version 1.0.9 finished: PageView and Show Code available, Forum enhanced.
2005-09-17 Schedule Contest: TJU 2005 Exercise Contest 3
2005-09-15 Update Problems: Northeastern Europe 2000 Far-Eastern Subregion
2005-09-15 Schedule Contest: TJU 2005 Exercise Contest 2
2005-09-12 Schedule Contest: TJU 2005 Exercise Contest 1
2005-09-12 Version 1.0.8 finished: Interface enhanced, Contest Statistics available.
2005-09-11 Update Problems: TJU Contest September 2005
2005-09-09 Update Problems: TUD Programming Contest 2001
2005-09-09 Update Problems: TUD Programming Contest 2002
2005-09-06 Schedule Contest: TJU Contest September 2005
2005-09-06 Update Problems: TUD Programming Contest 2003
2005-08-30 Update Problems: TUD Programming Contest 2004
2005-08-30 Update Problems: TUD Programming Contest 2005
2005-08-30 Update Problems: TUD Programming Contest 2005 (Training Session)
2005-07-12 Update Problems: Southeastern European 2004
2005-07-12 Update Problems: Southeastern European 2003
2005-07-12 Update Problems: Southeastern European 2002
2005-07-11 Update Problems: Western and Southwestern European Regionals 2002
2005-07-11 Update Problems: University of Ulm Local Contest 2004
2005-07-10 Update Problems: Western and Southwestern European Regionals 1996
2005-07-09 Version 1.0.7 finished: Some bugs fixed, Problem Index available.
2005-07-09 Update Problems: Pacific Northwest Regionals 2004
2005-07-09 Update Problems: Pacific Northwest Regionals 1999
2005-07-07 Update Problems: Pacific Northwest Regionals 1997
2005-07-07 Update Problems: North Central North America 1997
2005-07-07 Update Problems: Western and Southwestern European Regionals 1998
2005-07-07 Update Problems: Western and Southwestern European Regionals 1997
2005-07-05 Update Problems: TJU Contest July 2005
2005-06-25 Update Problems: Mid Atlantic North America 2001
2005-06-24 Update Problems: Mid Atlantic North America 1996
2005-06-21 Update Problems: Greater New York North America 2001
2005-06-21 Update Problems: Greater New York North America 2000
2005-06-18 Update Problems: East Central North America 2004
2005-06-16 Update Problems: East Central North America 2003
2005-06-12 Update Problems: East Central North America 2002
2005-06-12 Update Problems: Northwestern European 2004
2005-06-12 Update Problems: Northwestern European 2003
2005-06-12 Update Problems: Northwestern European 2002
2005-06-12 Update Problems: Waterloo Local Contest Jun. 11, 2005
2005-06-11 Update Problems: Central European 2001
2005-06-10 Update Problems: Asia - Taejon (South Korea) 2001
2005-06-10 Update Problems: Asia - Ehime (Japan) 2004
2005-06-09 Update Problems: Waterloo Local Contest Feb. 05, 2005
2005-06-09 Update Problems: Waterloo Local Contest Sep. 25, 2004
2005-06-09 Update Problems: Waterloo Local Contest Sep. 19, 2004
2005-06-08 Update Problems: Alberta/Waterloo Local Contest June 12, 2004
2005-06-08 Update Problems: Waterloo Local Contest Jan. 31, 2004
2005-06-08 Update Problems: Waterloo Local Contest Sep. 27, 2003
2005-06-07 Update Problems: Waterloo Local Contest Sep. 20, 2003
2005-06-07 Update Problems: Waterloo Local Contest July 05, 2003
2005-06-07 Update Problems: Waterloo Local Contest Jan. 25, 2003
2005-06-07 Update Problems: Waterloo Local Contest Sep. 28, 2002
2005-06-07 Update Problems: University of Ulm Local Contest 2002
2005-06-07 Update Problems: Waterloo Local Contest Sep. 21, 2002
2005-06-07 Update Problems: Waterloo Local Contest Jun. 01, 2002
2005-06-07 Update Problems: Waterloo Local Contest Jan. 26, 2002
2005-06-07 Update Problems: Waterloo Local Contest Sep. 29, 2001
2005-06-06 Update Problems: Waterloo Local Contest Sep. 22, 2001
2005-06-06 Update Problems: Waterloo Local Contest Jun. 02, 2001
2005-06-06 Update Problems: Waterloo Local Contest Jan. 17, 2001
2005-06-06 Update Problems: University of Ulm Local Contest 2001
2005-06-05 Update Problems: Waterloo Local Contest Sep. 30, 2000
2005-06-05 Schedule Contest: TJU Contest July 2005
2005-06-05 Update Problems: Waterloo Local Contest Sep. 23, 2000
2005-06-04 Update Problems: University of Ulm Local Contest 2000
2005-06-03 Update Problems: Waterloo Local Contest Jan. 29, 2000
2005-06-03 Update Problems: Waterloo Local Contest Oct. 02, 1999
2005-06-03 Update Problems: Waterloo Local Contest Sep. 25, 1999
2005-06-02 Update Problems: Waterloo Local Contest June 19, 1999
2005-05-29 Update Problems: Tehran 2004 Iran Nationwide
2005-05-28 Version 1.0.6 finished: Modified internal processes, for security reasons.
2005-05-26 System Upgraded (including GCC 3.4.4)
2005-05-23 to 2005-05-25 Update some old problems
2005-05-23 Version 1.0.5 finished: Optimized structure of data storage.
2005-05-22 Update Problems: Waterloo Local Contest Jan. 31, 1999
2005-05-22 Update Problems: Waterloo Local Contest Oct. 17, 1998
2005-05-21 Update Problems: Waterloo Local Contest Oct. 4, 1998
2005-05-21 Update Problems: Waterloo Local Contest June 6, 1998
2005-05-19 Update Problems: Asia - Tehran 2003
2005-05-18 Update Problems: Asia - Tehran 2002
2005-05-18 Update Problems: Asia - Tehran 2002 Preliminery
2005-05-18 Update Problems: Tehran 2002 Iran Nationwide
2005-05-17 Update Problems: Tehran Sharif Local Contest 2001
2005-05-17 Update Problems: Asia - Tehran 2001
2005-05-16 Version 1.0.4 finished: Security enhanced.
2005-05-14 Update Problems: Asia - Tehran 2000
2005-05-14 Update Problems: Asia - Tehran 1999
2005-05-14 Update Problems: University of Ulm Local Contest 1999
2005-05-09 Update Problems: Waterloo Local Contest Oct.7, 1997
2005-05-09 Update Problems: Waterloo Local Contest Oct.5, 1996
2005-05-07 Update Problems: Waterloo Local Contest Sep.28, 1996
2005-05-07 Update Problems: East Central North America 2001
2005-05-07 Update Problems: Asia - Shanghai 2004
2005-05-07 Update Problems: Asia - Shanghai 2004 Preliminary
2005-05-06 Update Problems: University of Ulm Local Contest 1998
2005-05-05 Update Problems: East Central North America 1999
2005-05-05 Update Problems: Asia - Guangzhou 2003
2005-05-04 Update Problems: University of Ulm Local Contest 1997
2005-05-04 Update Problems: University of Ulm Local Contest 1996
2005-05-04 Version 1.0.3 finished: Problem status bugs fixed.
2005-05-03 Update Problems: East Central North America 1998
2005-05-03 Update Problems: Asia - Beijing 2002
2005-05-03 Update Problems: East Central North America 1996
2005-05-03 Update Problems: East Central North America 1995
2005-05-02 Update Problems: Asia - Beijing 2004
2005-05-02 Update Problems: Asia - Beijing 2004 Preliminary
2005-05-02 Update Problems: Southern African 2001
2005-05-02 Update Problems: Mid-Central European 2000
2005-05-02 Update Problems: Central European 2000
2005-05-02 Update Problems: Central European 1999
2005-05-01 Version 1.0.2 finished: Some bugs fixed, Forum available.
2005-05-01 Schedule Contest: TJU Practice 5
2005-05-01 Update Problems: Southeastern European 2000
2005-04-30 Schedule Contest: TJU Practice 4
2005-04-30 Update Problems: Central European 1997
2005-04-30 Update Problems: Mid-Central European 1999
2005-04-30 Update Problems: Central European 1996
2005-04-29 Schedule Contest: TJU Practice 3
2005-04-29 Update Problems: Northwestern European 2001
2005-04-28 Schedule Contest: TJU Practice 2
2005-04-28 Update Problems: Central European 1995
2005-04-27 Schedule Contest: TJU Practice 1
2005-04-27 Version 1.0.0 finished: Welcome to Tianjin University Online Judge! Author: Hill